66344265434626 has 8 divisors (see below), whose sum is σ = 99531589195584. Its totient is φ = 33167069036100.

The previous prime is 66344265434611. The next prime is 66344265434653. The reversal of 66344265434626 is 62643456244366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×66344265434626² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531824230 + ... + 2531850433.

It is an arithmetic number, because the mean of its divisors is an integer number (12441448649448).

Almost surely, 2^{66344265434626} is an apocalyptic number.

66344265434626 is a deficient number, since it is larger than the sum of its proper divisors (33187323760958).

66344265434626 is a wasteful number, since it uses less digits than its factorization.

66344265434626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063681216.

The product of its digits is 358318080, while the sum is 61.

The spelling of 66344265434626 in words is "sixty-six trillion, three hundred forty-four billion, two hundred sixty-five million, four hundred thirty-four thousand, six hundred twenty-six".